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Prev Professional Automotive Repair Technical Discussions for September 6, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2008 Audi A6 Quattro 4.2L Daytime running lights VIN: WAUDV94F48
Changed the daytime running bulbs because they were black but to no avail . Thinking it may be the Auto Headlight relay but can't for the life of me locate where it is. All other lights work except both parking lights which we are working on after. Could they ...
2004 Cadillac SRX 3.6L Starter VIN: 1GYEE63754
We replaced the transmission and now we are experiencing a no crank condition. Also can't turn the key to the lock position. We charged the battery overnight and it started right up and the key goes to the lock position. We checked the battery and it checked g...
2006 Cadillac STS 3.6L Check Engine Light VIN: 1G6DW67766
I Used Snap-On and Launch Scan tools to Reset the SERVICE VEHICLE SOON on the IP with no result. Both scan tools say No Code and system is clear. After start up the light will return. I used both scan tool to check all the module for code, No Code. Gentlemen, ...
2004 Chevrolet Monte Carlo LS 3.4L misfires VIN: 2G1WW12E14
Thanks for any help you all can give me in advance. Got a 04 Chevy Monte Carlo. Engine missing badly. P0300. Have replaced Spark plugs, Wire and coils. Also have replaced MAP Sensor and EGR. Has fuel pressure in standards. At idle missing on 4 to 5 cylinders, ...
2004 Chevrolet Trailblazer LS 4.2L fuel leak
customer states that fuel is leaking on the passenger side in front of the front wheel. we have replaced 2 fuel pressure regulators, has factory regulator on it now. there is evidence of fuel tracks from the air box and filter. can not think of any other cause...
2005 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCK19B15E
Vehicle sets the bank #1 and bank #2 fuel system lean codes at 51% engine load, 198 F engine temperature, LT adaptives show +25% on both banks, MAF sensor reports 33.40g as problem occurs. This according to 3 freeze frame records stored. I can see the LT adapt... Trouble codes: P171, P174
2005 Dodge Ram 1500 Truck ST 5.7L bank 1 1,3, 5, 7 VIN: 1D7HU18D35
Misfires on cylinders 1, 3, 5, 7 only while in park and neutral ragardless of temperature. Misfires go away while in gear.
1999 Ford F-350 Super Duty Lariat 7.3L Ignition System VIN: 1FTWW33F2X
No Technical Service Bulletins at this time, though this is a common problem among consumers. Glow Plug Solenoid replaced. What are your thoughts about the Intake Air Heater going out? I have mixed reviews from peers with shops in town. Thank you for your help...
2003 Ford Taurus SE 3.0L Heater Core VIN: 1FAFP53203
Hi guys. I have this 03 taurus that came in with a no heat complaint. . We tried flushing heater core twice. we couldnt get heater core unstopped so we replaced heater core with oe unit. we now have heat only if i rev to 2000 rpm. going down the road heat is s...
1982 GMC C2500 6.2L Stall VIN: 1GTGC24J3C
Truck came in not starting. No glow plug operation. Replaced relay and controller.glow plugs are working. Truck will have extended crank,start and then die. Not real familiar with these trucks and mitchell and alldata dont have alot of help. Trying to figure t...
2001 GMC Sierra 3500 SL 8.1L No Start VIN: 3GDKC34G71
Truck came in for fuel smell after fueling and LOF . Found second tank sending unit had a hole on one of the lines. Tech replaced sending unit and found right tie rod end loose (replaced) and gave alignment. Once all work was done to it, tech pull out the truc...
2002 GMC Envoy SLE 4.2L ckp sensor VIN: 1GKDT13S02
Just had this truck brought to me by another tech, the engine starts as long as the ckp sensor is unplugged but will not start when connected. Tech replace 2 ckp sensors and installed new wires between the processor and ckp sensor. He claims the signal is good...
2008 Honda Civic MUGEN Si 2.0L ac not cold enough VIN: 2HGFA55518
all cooling fans are working well/no codes/antifreeze is full/pressure readings seem a bit low to me/compressor? expansion valve? any ideas? thanks in advance! randy
2006 Hyundai Sonata GLS 3.3L air bag light VIN: 5NPEU46F06
hello all, having an issue with this car. have no air bag code but air bag light is on? had a modis and launch hooked up to it and shows no codes. we can induce a code and it will show it - but when cleared - light still comes on , goes out for a split second ...
1994 Jaguar XJS 4.0L Mechanical VIN: SAJNX2744R
Hello All, 1994 Jaguar XJS conv.,4.0L,has no power brakes.Electric pump runs continuously.Tested pressure at outlet of pump and is 2600 PSI or 180 Bar.Pump does not run continuously with guage attached.Stops at 180 bar and will run if you crack open the bleed...
2000 Jaguar S-Type 3.0L battery VIN: SAJDA01CXY
Customer brought car in with dead battery issues.checked for a draw,had 3amps at the beginning and after approx.45 minutes went down to 350ma.Did alot of research on fix data base and the usual other avenues.Man there is alot of battery drain issues.Before get...
2004 Jaguar S-Type 3.0L Stall VIN: SAJEA01T74
the engine dies very intermittently. do not have a scan tool to get to factory side. global side indicates no codes. sometimes you can drive for a couple of days without a problem. seems to do it most when first taking off in morning and coming to a stop it wi...
1994 Jeep Grand Cherokee Limited 5.2L air bag VIN: 1J4GZ78Y4R
I need someone to tell me where data link connector for air bag system is located in this jeep . According to alldata it shows to be somewhere on right side of center console . Air bag light is illuminated on dash and i need to find out why . Any help will be ...
1998 Jeep Grand Cherokee Limited 4.0L instrument panel
This is a 4x4 used on an island. The gauges quit one day going from the harbour to his cottage. The fuses are good that show on the wiring diagram. I have to travel by boat to check this again so it would be great if there was someone that has seen this before
2002 Land Rover Discovery Series II SE 4.0L Monitor will not set VIN: SALTY154X2
Hello, We are having trouble getting the readiness monitors to set on this vehicle. The two that will not set are Evap and secondary air injection. I have read the drive cycle and there is no way that I can duplicate it. Does anyone know of any tricks? Also It...
2004 Land Rover Discovery SE 4.6L Noise VIN: SALTY19424
Hello fellow techs., we have a secondary air injection pump that on start up is some what loud and if you shut down the eng. It sounds like a starter bendex still engaged but is coming from the pump not the starter. My question is this sound normal, costomer h...
2002 Mercedes-Benz ML320 3.2L starter VIN: WDC1641222
this is a 2006 [...] v6 diesel,intermittent no start,starter turns then cuts out,all power lost from dash,turn key off then on again power restored, have ISM event code [...] no start enable from ISM to engine controller,check values of controller all v...
2002 Mini Cooper 1.6L Hesitation, No Power VIN: WMWRC33472
The vehicle drives fine when cold. After it warms up, it will stall when put into reverse,idles rough and has almost no acceleration. It takes about a 1/4 mile to get to 20mph. The throttle blade is opening all the way when accelerating. It will not rev over 2...
2006 Mini Cooper S 1.6L Cooling Systems VIN: WMWRE33586
Put new thermostat,coolant sensor, still orverheating
1995 Mitsubishi Montero LS 3.0L Warning light VIN: JA4MR41H2S
The car came in with the ignition warning light on. Customer said it had been on since June but had taken the car to a service center where he was told the voltage was good. Tested the voltage and it was, indeed charging at 14.35 volts. Talked to a few techs i...
2005 Mitsubishi Endeavor LS 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall VIN: 4A4MN21S75
rest timing marks 3 times and have had same issue all 3 times base timing is at 16 degrees idle speed 684
2007 Mitsubishi Endeavor LS 3.8L Upper Strut Mounts VIN: 4A4MN21S57
I am just looking for some answers on what should I look at more closely or if there is a another thing on the suspension and/or steering that I could have overlooked. Thank you
2006 Pontiac Torrent 3.4L No Start VIN: 2CKDL73F36
Calling all GM techs with programming experience- We replaced EGR valve and tube with updated ones per TSB. Then I went to reprogram the PCM per the TSB. The vehicle was not entered in the database, so I needed to call ACDelco help desk, and eventually they go... Trouble codes: U0140, P0713, P0633, P1819
2007 Subaru Forester X L.L. Bean Edition 2.5L MIL Lamp on VIN: JF1SG67697
Car came in originally for a Check Engine light Had P0083 OSV solenoid valve Left side malfunction (High). Replaced the VVT solenoid and Oil Switching solenoid cleared code, customer took car. Customer came back couple weeks later with CEL on and with same cod... Trouble codes: P0083 (OSV solenoid Left side malfunction)
2001 Toyota Corolla CE 1.8L Stall VIN: 1NXBR12E91
This car runs and shuts off like a theft problem. There is no theft! Basically we can keep the car running on a can of carb cleaner but it looses injector pulse after a few secs of running. The car had a timing chain installed 2 weeks before this problem occur...
2009 Toyota Avalon XLS 3.5L power trunk release VIN: 4T1BK36B49
I have a trunk release problem. It has three wires going to the motor, white/black stripe is ground, plain white wire is grounded at the motor terminal, black wire with silver dot is supposed to be power to the motor sent by the body computer when it receives ...
2005 Volkswagen Passat GLS 2.0L Control Relay VIN: WVWAE63B05
Ac system was inop, replace ac control relay,ac working fine but relay clicks continously. This does not seem normal as it is rather annoying. Any help would great. Dont get many passats in . This was a oe part from dealer
2006 Volkswagen Jetta TDI 1.9L No Start, Cuts out VIN: 3VWDT71K66
I have this car that will intermittently stop running. Might start in a few minutes. might take a day. I'm loosing the high speed can bus and it will just seem to go out and come back for no reason. I have it narrowed down to either steering column electronic ...
2001 Volvo V70 X/C 2.4L Poor Idle Quality, Hesitation, Surge VIN: YV1SZ58D11
Vehicle Runs fine at every start and will only act up Stumble, Rev, Stall, like it is looking for its base idle so bad the headlights actually dim up and down at idle. This only happens after about 4-5 minutes of vehicle running. We have went through and check...
2006 Volvo XC70 2.5L Timing marks VIN: YV4SZ592X6
Greetings! Every once in a while you feel like a real rookie. This is one of those times. Trying to diagnose a bad rough running condition in this Volvo. Wanted to confirm cam timing but can't find the timing marks on the crankshaft pulley or corresponding mar...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Acura RSX 2.0L compressor and a/c fans VIN: JH4DC548X2
After testing all temp sensors for the A/C system, which are all withing specified values, I rechecked all powers and grounds. jumped the PCM ground feed to relay to make fans operate and clutch kick on, I am scratching my head. Boss sent customer to the d...
2004 Acura MDX Touring 3.5L Vehicle vibrate at high speed VIN: 2HNYD18884
Thanks to all that reply. We drove the car on the lift and notice the Left rear wheel vibrates on a up & down motion. we strip the axle and notice it was tight, service it but didnt help. We swap the 2 rear wheel and notice the vibration moved to the Right rea...
2001 BMW 325i 2.5L oil VIN: WBAAV334X1
Thanks Techs, Everyone was right it was the oil filter housing gasket. not a bad job. Finding out how to remove the belt hold me up a bit, now I knew. Thank again, Ric
2001 Chrysler Sebring LXi 2.7L Cooling Systems VIN: 1C3EL55U51
Sometimes one overlooks the obvious. The reservoir cap was bad, causing the coolant to overflow, not allowing the system to pressurize, therefore, air stayed in the system, which stopped the fans from coming on. Thank you all for your suggestions.
2003 Chrysler 300M 3.5L in limp mode VIN: 2C3AE66G73
Timothy from Wisconsin gave me a great idea.Reset code after vehicle is running.I did and vehicle came out of limp mode.Took vehicle for a long test drive it shifted fine,but it gave a code p0846(2-4 pressure sw. sense circuit).Found open circuit fixed it and ...
2006 Dodge Charger R/T 5.7L Unknown VIN: 2B3KA43H06
Well I did fix this car. Like I said it didnt have any thing to do with the freon it was a electrical problem.Late yesterday I got the car back and tried to calibrate the ACTUATOR CALIBRATION and it passed the test so I tried to manualy test the cooldown test ...
1998 Ford Ranger XL 2.5L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1FTYR14C2W
I have to be honest.Originaly I did inspect the plugs on intake side by pulling out #1.Them months later after testing everything,I pulled it out again and found the cracked and broken ceraminc insulation on all 4 ,intake side.I will close this as the mil is ... Trouble codes: P0301, P0303.
2003 Ford Explorer XLT 4.0L Programming VIN: 1FMZU73K23
Thank you to all the replied. The factory scan tool worked for this vehicle. The Bosch unit has some holes in it and although I have programmed and or initialized many ECU's from Ford it would not work on this vehicle. I am currently investigating the reach of...
2005 Ford Escape XLS 2.3L Misfire, MIL Lamp on VIN: 1FMYU02Z85
Hi guys thanks for all the help. It finally let go again, it was the relay that activates the ignition coils and injectors. Trouble codes: P0351 (Ign coil A primary/secondary circuit malf.), P0352 (Ign coil B primary/secondary circ. malf), P0353 (Ign coil C Pri/sec circ. malf), P0354 (Ign coil D pri/sec circ.malf).
2009 Ford Focus SE 2.0L Reverse VIN: 1FAHP35N19
Well, I got a couple of responses that said to disconnect the electronics from the transmission which de-activates the solenoids . We did, and still had no reverse. SO we installed ANOTHER used unit and WA LA , FIXED. Thanks all
2002 Honda Civic LX 1.7L immobilizer VIN: 1HGES16552
Thank you for all the suggestions everyone. What fixed it was... Put the old ecm back in got a new transmitter (key and key coil). note* on this vehicle their are only two components to the immobilizer. Then had it reprogrammed by the dealer. We tried to hav...
2004 Lincoln LS 3.0L harsh shifts VIN: 1LNHM86SX4
It seems to be the real fix is factory trans replacement. With no codes I don't think electronics or pressure regs will fix this. Case problems and \or valve body problems seem to be the most likely culprit. Thanks to all that replied but customer is going to ...
1988 Mercedes-Benz 300SEL (Car) 3.0L Extended Crank VIN: WDBCA25D6J
First off thanks for all the replies. I checked the fuel pressure on the lower chamber and it was leaking down. Then using a camera i was able to see the pintle seal leaking gas down into the intake. Replaced the fuel dist. and all is well.
1998 Mercury Villager (Van) GS 3.0L Poor Idle Quality, misses VIN: 4M2ZV1110W
We replaced fuel injectors and pcm. Thanks for the info.
2001 Nissan Frontier SE 3.3L a/c VIN: 1N6ED27Y51
Thanks to all who responded to my question. I replace the thermo switch in the evaporator and that fixed the problem. If I manipulated the old one I could engage the compressor on and off. Thanks, Randy.
2007 Nissan Titan XE 5.6L No Start VIN: 1N6BA06A97
This one is fixed. Replaced fuse relay box to get power on terminals 119, 120 of the ecm, then replaced ecm for no check engine light and cooling fans running all the time. Sent out to dealer to code key, truck cranks and runs great. Thanks for the input.
1994 Volkswagen Golf GL 2.0L Hesitation, Stall VIN: 3VWFA21H5R
I have determined, due to useful information provided by members, that the purge valve is the problem. I am waiting to find a part that is more affordable as they can cost up to 270.00. Thanks for the help everyone.
1998 Volkswagen Beetle 2.0L 4th gear VIN: 3VWBB61C8W
Most of the excellent replies and advice all point to the failure of the mechanical sections of the O1M transaxle and a majority said to not bother with a replacement of the valve body, especially if debris is found in the pan. Typical O1M transaxle issues. C...
1999 Volkswagen Cabrio 2.0L shift cable VIN: 3VWAB81E1X
thanks for all the help! we sure did overlook this one it was the lever under the cap had a crack we did not even see it! thanks for all the replies !!! thanks Phil Kool Air Automotive
2004 Volkswagen Beetle GLS 2.0L A/C Clutch VIN: 3VWCM31Y14
Ok guys, really appreciate the responses. After reviewing the wiring diagram and deciding that I should have had ground on a positive trigger circuit and not battery voltage, I pulled the plugs one at a time and tested them with the a/c switch to see which one...
1994 Volvo 850 2.4L No Start VIN: YV1LS5522R
As it turned out we had too much blowby into the crankcase. I used the rubber glove technique on the dipstick tube and it filled up the glove very quickly. We did replace the flame trap and clean out that entire portion of the crankcase ventilarion system but ...
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